Large Diameter HDPE Pipes

The Large Diameter HDPE Pipe Extrusion Line is designed for the production of HDPE pipes from 315mm to 630mm and is suitable for various large-scale infrastructure and industrial applications.

Water Supply

Large diameter HDPE pipes are widely used for municipal and industrial water transportation due to their corrosion resistance, flexibility and long service life.

Drainage

HDPE pipes are suitable for gravity drainage, stormwater drainage and wastewater transportation, providing reliable performance in demanding underground applications.

Irrigation

Large diameter HDPE pipes can be used for agricultural irrigation and water distribution systems, offering efficient water transportation and easy installation.

Industrial Applications

HDPE pipes are also used for industrial fluid transportation, mining, slurry transportation and other applications requiring durable and corrosion-resistant piping systems.

Production Process

Automatic Feeding → Single Screw Extruder → Die Head → Vacuum Calibration Tank → Cooling Spray Tanks → Haul-off Unit → Cutting Machine → Stacker

1. High-Output Single Screw Extruder

The HDPE pipe extrusion line adopts a high-efficiency screw and barrel, a grooved feeding section and a powerful water-jacket cooling system for stable material conveying and high extrusion capacity.

The extruder is equipped with a hardened gearbox with a self-lubricating system. A Siemens standard motor and Siemens inverter can be configured for reliable drive performance and precise speed control. Siemens PLC control or conventional button control is available according to customer requirements.

2. Optimized Die Head

The HDPE pipe die head features an optimized flow channel design for uniform melt distribution and stable extrusion. Precise heating and temperature control help maintain consistent melt conditions and pipe wall thickness.

3. Vacuum Calibration Tank

The vacuum calibration tank uses a two-chamber structure for vacuum sizing and initial cooling. The tank is manufactured from 304 stainless steel for durability and corrosion resistance.

A stable vacuum system helps achieve accurate pipe dimensions, while the automatic water temperature control system provides consistent cooling conditions.

4. Efficient Cooling Spray Tanks

The cooling spray tanks provide continuous and uniform cooling after vacuum calibration. Multiple spray nozzles distribute cooling water evenly around the pipe, helping maintain stable pipe dimensions and improving cooling efficiency.

The tanks are made of 304 stainless steel and can be equipped with automatic water temperature control according to production requirements.

5. Heavy-Duty Haul-off Unit

The haul-off unit is designed for stable pulling of large diameter HDPE pipes at different production speeds.

Different caterpillar configurations and drive systems are available according to pipe size and production requirements. For large diameter pipes, a pipe winch device can be configured to assist pipe handling and reduce material waste.

6. Precise Pipe Cutter

The cutting machine provides accurate and clean cutting of large diameter HDPE pipes with low operating noise. A scrap collection or suction system can be configured according to production requirements to help keep the working area clean.

Large Diameter HDPE Pipe Extrusion Line FAQ

Q: What pipe sizes can this large diameter HDPE pipe extrusion line produce?

A: This production line is designed for HDPE pipes from 315mm to 630mm. The die head, vacuum calibration system and haul-off unit can be configured according to the required pipe diameter, wall thickness and SDR.

Q: What is the production capacity of the 315–630mm HDPE pipe extrusion line?

A: The standard configuration uses an SJH90/38 single-screw extruder with a 280 kW motor. The reference production capacity is around 900 kg/h, while the maximum extruder output can reach approximately 1050 kg/h under suitable production conditions. Actual output depends on pipe size, wall thickness, HDPE material and production speed.

Q: What applications are large diameter HDPE pipes used for?

A: Large diameter HDPE pipes are widely used for municipal water supply, drainage, agricultural irrigation, industrial fluid transportation, mining and other infrastructure applications. HDPE offers good corrosion resistance, flexibility and long service life.

Q: Can the production line produce different SDR and wall thicknesses?

A: Yes. Different pipe diameters, wall thicknesses and SDR specifications can be produced by changing the die and sizing components and adjusting the extrusion and haul-off parameters. We can recommend the appropriate die configuration according to your required pipe specifications.

Q: Can the large diameter HDPE pipe extrusion line be customized?

A: Yes. The extruder, die head, vacuum calibration tank, cooling spray tanks, haul-off unit, cutter, stacker and control system can be customized according to the pipe size range, required output, raw material and local power supply. We can also provide a complete production line solution based on your factory conditions.